Mimosa tannin resins for impregnated paper overlays

作者: Ummi Hani Abdullah , A. Pizzi , K. Rode , L. Delmotte , X. Zhou

DOI: 10.1007/S00107-012-0652-5

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摘要: The surface quality of plywood coated with resin impregnated papers based on tannin/furfuryl alcohol resins was studied. Several hardeners such as hexamine, paraformaldehyde, formurea and a mixture paraformaldehyde were added in small quantities to mimosa resin. Papers tannin + furfuryl or found yield excellent results standard water vapour resistance cross-cut tests. Matrix assisted laser desorption ionization time flight (MALDI-TOF) mass spectrometry cross-polarisation-magic angle spinning NMR (CP-MAS 13C NMR) used show coreaction even self condensation under alkaline conditions, well formaldehyde-yielding compounds hexamine both aromatic rings the ring alcohol. Some more important oligomers formed identified by MALDI-TOF.

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